JP6256132B2 - 撮像システム - Google Patents
撮像システム Download PDFInfo
- Publication number
- JP6256132B2 JP6256132B2 JP2014052791A JP2014052791A JP6256132B2 JP 6256132 B2 JP6256132 B2 JP 6256132B2 JP 2014052791 A JP2014052791 A JP 2014052791A JP 2014052791 A JP2014052791 A JP 2014052791A JP 6256132 B2 JP6256132 B2 JP 6256132B2
- Authority
- JP
- Japan
- Prior art keywords
- wavelength
- illumination
- wavelengths
- imaging system
- illumination light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000003384 imaging method Methods 0.000 title claims description 36
- 238000005286 illumination Methods 0.000 claims description 45
- 230000003287 optical effect Effects 0.000 claims description 14
- 230000004075 alteration Effects 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 4
- 230000000295 complement effect Effects 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10712—Fixed beam scanning
- G06K7/10722—Photodetector array or CCD scanning
- G06K7/10732—Light sources
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/0075—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means for altering, e.g. increasing, the depth of field or depth of focus
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10712—Fixed beam scanning
- G06K7/10722—Photodetector array or CCD scanning
- G06K7/10752—Exposure time control
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10792—Special measures in relation to the object to be scanned
- G06K7/10801—Multidistance reading
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10792—Special measures in relation to the object to be scanned
- G06K7/10801—Multidistance reading
- G06K7/10811—Focalisation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/12—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using a selected wavelength, e.g. to sense red marks and ignore blue marks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Toxicology (AREA)
- General Health & Medical Sciences (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Health & Medical Sciences (AREA)
- Theoretical Computer Science (AREA)
- Optics & Photonics (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Studio Devices (AREA)
- Image Input (AREA)
- Length Measuring Devices By Optical Means (AREA)
Description
201 被写体
202 レンズユニット
203 位相板
204 絞り
205 撮像素子
206 画像処理部
207 制御部
208 照明
209 認識部
Claims (6)
- 波長ごとに焦点位置が異なる光学系と、
前記光学系に対し被写界深度を拡大させる光学素子と、
複数の波長のうち指示された波長の照明光を被写体に照射する照明と、
前記照明光が照射された被写体の、前記光学系により結像された像を撮像する撮像素子と、
前記撮像素子により撮像された像のコントラストが閾値以下の場合に、異なる波長の照明光を前記照明に照射させる制御部と、
を備える撮像システム。 - 前記光学系は、軸上色収差により波長ごとに焦点位置が異なる、
請求項1に記載の撮像システム。 - 前記照明により被写体に照射される前記照明光の波長に対応した画像処理を行う画像処理部をさらに備える、
請求項1または2に記載の撮像システム。 - 前記制御部は、前記照明により複数の異なる波長の照明光を被写体に照射し、コントラストが他の波長より大きい波長に対応する位置に前記被写体が存在すると判定する、
請求項1から3のいずれか一項に記載の撮像システム。 - 前記制御部は、波長に応じて異なる露光時間の照明光を前記照明に照射させる、
請求項1から4のいずれか一項に記載の撮像システム。 - 複数の波長の照明光を被写体に照射し、前記複数の波長の平均値に近い波長に対応した画像処理を行う画像処理部をさらに備える、
請求項1から4のいずれか一項に記載の撮像システム。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014052791A JP6256132B2 (ja) | 2014-03-14 | 2014-03-14 | 撮像システム |
US14/621,619 US9507986B2 (en) | 2014-03-14 | 2015-02-13 | Imaging system |
EP15157848.1A EP2919056B1 (en) | 2014-03-14 | 2015-03-05 | Imaging system with an extended depth of field |
CN201510109022.6A CN104914572B (zh) | 2014-03-14 | 2015-03-12 | 成像系统 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014052791A JP6256132B2 (ja) | 2014-03-14 | 2014-03-14 | 撮像システム |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015177381A JP2015177381A (ja) | 2015-10-05 |
JP6256132B2 true JP6256132B2 (ja) | 2018-01-10 |
Family
ID=52669482
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014052791A Expired - Fee Related JP6256132B2 (ja) | 2014-03-14 | 2014-03-14 | 撮像システム |
Country Status (4)
Country | Link |
---|---|
US (1) | US9507986B2 (ja) |
EP (1) | EP2919056B1 (ja) |
JP (1) | JP6256132B2 (ja) |
CN (1) | CN104914572B (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6554824B2 (ja) * | 2015-03-03 | 2019-08-07 | 株式会社リコー | 焦点深度拡張結像光学系および撮像装置 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE759392A (fr) * | 1969-11-27 | 1971-04-30 | Fuji Photo Film Co Ltd | Methode d'exposition en electrophotographie polychrome |
JPH09139805A (ja) * | 1995-11-16 | 1997-05-27 | Nikon Corp | 画像読取装置および画像読取方法 |
JPH10208017A (ja) * | 1997-01-20 | 1998-08-07 | Matsushita Electric Ind Co Ltd | 画像認識用照明装置及び方法 |
JP2002077545A (ja) * | 2000-08-30 | 2002-03-15 | Seiko Epson Corp | 過剰露光時の黒基準データ設定方法および画像読み取り装置 |
US6775069B2 (en) * | 2001-10-18 | 2004-08-10 | Asml Holding N.V. | Advanced illumination system for use in microlithography |
JP2004126721A (ja) * | 2002-09-30 | 2004-04-22 | Casio Comput Co Ltd | 画像読取装置及びその駆動制御方法 |
GB2405543A (en) * | 2003-08-30 | 2005-03-02 | Sharp Kk | Multiple view directional display having means for imaging parallax optic or display. |
JP2005215322A (ja) * | 2004-01-29 | 2005-08-11 | Sharp Corp | 撮像システム、発光システム、およびこれらを備えた電子機器 |
US8153344B2 (en) * | 2004-07-16 | 2012-04-10 | Ppg Industries Ohio, Inc. | Methods for producing photosensitive microparticles, aqueous compositions thereof and articles prepared therewith |
US7224540B2 (en) * | 2005-01-31 | 2007-05-29 | Datalogic Scanning, Inc. | Extended depth of field imaging system using chromatic aberration |
EP1856907A2 (fr) | 2005-03-07 | 2007-11-21 | DXO Labs | Procédé pour commander une action, notamment une modification de netteté, à partir d'une image numérique en couleurs |
CN100430774C (zh) * | 2006-11-29 | 2008-11-05 | 上海理工大学 | 无机械运动变焦照相透镜组对有限远成像的光学设计方法 |
US8149319B2 (en) | 2007-12-03 | 2012-04-03 | Ricoh Co., Ltd. | End-to-end design of electro-optic imaging systems for color-correlated objects |
JP5287258B2 (ja) | 2008-07-03 | 2013-09-11 | 株式会社リコー | 撮像装置および画像記録再生方法 |
US8248511B2 (en) * | 2009-09-30 | 2012-08-21 | Ricoh Co., Ltd. | Dual-mode extended depth-of-field imaging systems |
JP2011193190A (ja) | 2010-03-15 | 2011-09-29 | Ricoh Co Ltd | 画像読取装置 |
JP5712519B2 (ja) | 2010-07-23 | 2015-05-07 | 株式会社リコー | 撮像装置および撮像方法 |
JP5609467B2 (ja) | 2010-09-15 | 2014-10-22 | 株式会社リコー | 撮像装置及び撮像方法 |
JP2013008004A (ja) | 2011-05-25 | 2013-01-10 | Ricoh Co Ltd | 撮像装置 |
US8610813B2 (en) * | 2011-05-31 | 2013-12-17 | Omnivision Technologies, Inc. | System and method for extending depth of field in a lens system by use of color-dependent wavefront coding |
US8752768B2 (en) | 2011-11-17 | 2014-06-17 | Datalogic ADC, Inc. | Systems and methods for reading color optical codes |
US20150228815A1 (en) * | 2014-02-12 | 2015-08-13 | Tsmc Solar Ltd. | High efficiency solar cells with micro lenses and method for forming the same |
-
2014
- 2014-03-14 JP JP2014052791A patent/JP6256132B2/ja not_active Expired - Fee Related
-
2015
- 2015-02-13 US US14/621,619 patent/US9507986B2/en active Active
- 2015-03-05 EP EP15157848.1A patent/EP2919056B1/en not_active Not-in-force
- 2015-03-12 CN CN201510109022.6A patent/CN104914572B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP2919056A1 (en) | 2015-09-16 |
EP2919056B1 (en) | 2021-09-29 |
US9507986B2 (en) | 2016-11-29 |
US20150261987A1 (en) | 2015-09-17 |
JP2015177381A (ja) | 2015-10-05 |
CN104914572A (zh) | 2015-09-16 |
CN104914572B (zh) | 2018-02-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US9342724B2 (en) | Variable depth of field barcode scanner | |
US9967541B2 (en) | 3D imaging, ranging, and/or tracking using active illumination and point spread function engineering | |
JP6580673B2 (ja) | 画像を記録するための装置および方法 | |
JP2010039448A (ja) | 画像撮影装置およびその距離演算方法と合焦画像取得方法 | |
US20180173083A1 (en) | Projection device, projection method, and program storage medium | |
JP6143098B2 (ja) | 対物レンズの駆動制御方法及び蛍光顕微鏡システム | |
US20140071328A1 (en) | System and method for matching a camera aspect ratio and size to an illumination aspect ratio and size | |
CN111866387B (zh) | 深度图像成像系统和方法 | |
JP5832433B2 (ja) | 画像復元装置、撮像装置及び画像復元方法 | |
US11381729B1 (en) | Systems, methods, and apparatuses for focus selection using image disparity | |
JP6256132B2 (ja) | 撮像システム | |
JP2016053653A5 (ja) | ||
US9229211B2 (en) | Imaging apparatus, imaging control program, and imaging method | |
JP2011133360A (ja) | 距離計測装置、距離計測方法、及びプログラム | |
JP2021108022A5 (ja) | ||
EP3194886A1 (en) | Positional shift amount calculation apparatus and imaging apparatus | |
AU2016432713B2 (en) | Determining eye surface contour using multifocal keratometry | |
TWM456509U (zh) | 共用影像感測元件之影像擷取裝置 | |
JP6338836B2 (ja) | 情報コード読取装置 | |
CA2990918C (en) | Imaging apparatus and operating method | |
JP6467453B2 (ja) | スペクトルカメラ撮影装置及びスペクトルカメラ撮影方法 | |
JP6310366B2 (ja) | 情報読取装置 | |
JP6512806B2 (ja) | 撮像装置 | |
JP2016065926A (ja) | 撮像装置およびその制御方法、並びにプログラム | |
WO2019181125A1 (ja) | 画像処理装置及び画像処理方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20170220 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20170905 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20171020 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20171107 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20171120 |
|
R151 | Written notification of patent or utility model registration |
Ref document number: 6256132 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R151 |
|
LAPS | Cancellation because of no payment of annual fees |